1 c. granulated sugar
1 egg
2 tbsp. melted butter
1 c. buttermilk
1/2 tsp. salt
1/2 tsp. baking soda
1 tsp. baking powder
2 c. all purpose flour
1 c. diced fresh rhubarb

Blend sugar, egg, and butter. Beat in buttermilk until smooth. Stir together salt, baking soda, baking powder, and flour. Sift dry ingredients into buttermilk mixture and stir in rhubarb. Pour into greased 9 inch square baking pan. Combine following: 2 tablespoons melted butter with 1/2 cup sugar and sprinkle on top of batter. Bake at 350 degrees for 45 minutes or until cake test done.

Sauce:
1/2 c. evaporated milk
1/2 c. butter
1 c. sugar
1 tsp. vanilla

Bring to a boil and cook 1 minute, stirring constantly. Remove from heat and stir in vanilla. Serve sauce over cake. Makes 10 to 12 servings.